blocksort: Sorts the blocks in ascending numbering
Description
This function sorts all items in a block into ascending order.
Usage
blocksort(blocks)
Value
Returns a matrix consisting of the blocks where all items per blocks
are sorted in ascending order.
Arguments
blocks
A matrix defining the blocks of the model. The number of rows
must be the number of blocks, each row represents a block and contains the
item numbers. The number of columns represent the number of items per block.